Home / 384,619.40-576,929.10-162,974.60

Finding the Fourth Proportional to 384,619.40, 576,929.10 and 162,974.60

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Solution

The fourth proportional to 384,619.40, 576,929.10 and 162,974.60 is: 244,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,619.40 : 576,929.10 = 162,974.60 : x
  2. Step 2: Convert to fraction form
    384,619.40/576,929.10 = 162,974.60/x
  3. Step 3: Cross multiply
    384,619.40x = 576,929.10 × 162,974.60
  4. Step 4: Simplify right side
    384,619.40x = 94,024,789,300.86
  5. Step 5: Solve for x
    x = 94,024,789,300.86/384,619.40
  6. Step 6: Final answer
    x = 244,461.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.